Place the HANDLE on the lever box and pull it (N).
Take the SCARF (O).
Use the NIPPERS to get the WIRE (P).
Take the SCHEME (Q).
Go to the Theater.
Examine the door; you will automatically apply the SCHEME. Pull the ropes (1-3); take the CONTROL PANEL (R).
Return to the Stadium.
Use the CONTROL PANEL on the door (S).
Examine the opened door to access a HOP (T).
Play the HOP.
You receive the HACKSAW (U).
Go to the Library.
Examine the desk to access a HOP.